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Finding the Fourth Proportional to 608.42, 908.58 and 601.91

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Solution

The fourth proportional to 608.42, 908.58 and 601.91 is: 898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.42 : 908.58 = 601.91 : x
  2. Step 2: Convert to fraction form
    608.42/908.58 = 601.91/x
  3. Step 3: Cross multiply
    608.42x = 908.58 × 601.91
  4. Step 4: Simplify right side
    608.42x = 546,885.65
  5. Step 5: Solve for x
    x = 546,885.65/608.42
  6. Step 6: Final answer
    x = 898.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.